1 /* $NetBSD: getmntinfo.c,v 1.1 2010/07/26 15:53:00 pooka Exp $ */
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
35 static char sccsid
[] = "@(#)getmntinfo.c 8.1 (Berkeley) 6/4/93";
37 __RCSID("$NetBSD: getmntinfo.c,v 1.1 2010/07/26 15:53:00 pooka Exp $");
39 #endif /* LIBC_SCCS and not lint */
41 #include <sys/param.h>
42 #include <sys/ucred.h>
43 #include <sys/mount.h>
45 #include <rump/rump.h>
46 #include <rump/rump_syscalls.h>
52 #define getvfsstat(a,b,c) rump_sys_getvfsstat(a,b,c)
55 * Return information about mounted filesystems.
58 getmntinfo(mntbufp
, flags
)
59 struct statvfs
**mntbufp
;
62 static struct statvfs
*mntbuf
;
64 static size_t bufsize
;
66 _DIAGASSERT(mntbufp
!= NULL
);
69 (mntsize
= getvfsstat(NULL
, (size_t)0, MNT_NOWAIT
)) == -1)
72 (mntsize
= getvfsstat(mntbuf
, bufsize
, flags
)) == -1)
74 while (bufsize
<= mntsize
* sizeof(struct statvfs
)) {
77 bufsize
= (mntsize
+ 1) * sizeof(struct statvfs
);
78 if ((mntbuf
= malloc(bufsize
)) == NULL
)
80 if ((mntsize
= getvfsstat(mntbuf
, bufsize
, flags
)) == -1)